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List:       linux-wireless
Subject:    Re: [RFC v0 3/8] firmware: Factor out firmware load helpers
From:       Daniel Wagner <daniel.wagner () bmw-carit ! de>
Date:       2016-07-29 6:08:50
Message-ID: 956c030c-1847-eb58-c31b-06ad15c551f0 () bmw-carit ! de
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On 07/28/2016 07:57 PM, Dmitry Torokhov wrote:
> On Thu, Jul 28, 2016 at 09:55:07AM +0200, Daniel Wagner wrote:
>> +int __firmware_stat_wait(struct firmware_stat *fwst,
>> +				long timeout)
>> +{
>> +	int err;
>> +	err = swait_event_interruptible_timeout(fwst->wq,
>> +				is_fw_sync_done(READ_ONCE(fwst->status)),
>> +				timeout);
>> +	if (err == 0 && fwst->status == FW_STATUS_ABORT)
>> +		return -ENOENT;
>> +
>> +	return err;
>> +}
>> +EXPORT_SYMBOL(__firmware_stat_wait);
>> +
>> +void __firmware_stat_set(struct firmware_stat *fwst, unsigned long status)
>> +{
>> +	WRITE_ONCE(fwst->status, status);
>> +	swake_up(&fwst->wq);
>
> Do we need to notify everyone for FW_STATUS_LOADING status?

Hmm, I don't think so. In the end drivers are probably only interested 
in the final result which is either success or fail.

cheers,
daniel
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